🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.23 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.2

Radius: 10.9

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.37 AU - 2.55 AU

Year: 2663 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,317,093 km

• M1: 135,536 km (0.09 R)
• M2: 539,899 km (0.094 R)
• M3: 980,614 km (0.12 R)
• M4: 1,481,917 km (0.073 R)
• M5: 2,011,343 km (0.044 R)
• M6: 2,397,455 km (0.12 R)
• M7: 3,086,054 km (0.065 R)
• M8: 3,620,717 km (0.094 R)
• M9: 4,982,357 km (0.092 R)
• M10: 5,934,099 km (0.095 R)
• M11: 6,607,289 km (0.09 R)
• M12: 10,583,451 km (0.046 R)
• M13: 13,235,522 km (0.104 R)
• M14: 14,166,918 km (0.095 R)
• M15: 14,516,229 km (0.114 R)
• M16: 15,414,864 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.1

Radius: 14.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.61 AU - 3.85 AU

Year: 4972 Days

Day: 10.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,317,093 km

• M1: 176,675 km (0.038 R)
• M2: 629,059 km (0.088 R)
• M3: 1,088,025 km (0.087 R)
• M4: 1,734,139 km (0.07 R)
• M5: 2,341,955 km (0.088 R)
• M6: 2,961,439 km (0.079 R)
• M7: 3,625,654 km (0.069 R)
• M8: 4,656,683 km (0.033 R)
• M9: 5,282,151 km (0.117 R)
• M10: 6,022,661 km (0.066 R)
• M11: 8,179,563 km (0.108 R)
• M12: 12,102,318 km (0.033 R)
• M13: 13,136,638 km (0.114 R)
• M14: 15,664,543 km (0.112 R)
• M15: 17,377,438 km (0.106 R)
• M16: 19,408,977 km (0.097 R)
• M17: 21,736,421 km (0.059 R)
• M18: 22,820,258 km (0.103 R)
• M19: 24,397,767 km (0.1 R)
• M20: 24,939,461 km (0.089 R)
• M21: 25,489,084 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.1

Radius: 10.9

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.85 AU - 4.17 AU

Year: 5543 Days

Day: 14.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,317,093 km

• M1: 135,685 km (0.092 R)
• M2: 557,701 km (0.113 R)
• M3: 988,692 km (0.103 R)
• M4: 1,403,677 km (0.107 R)
• M5: 2,157,949 km (0.114 R)
• M6: 3,335,434 km (0.057 R)
• M7: 3,927,094 km (0.047 R)
• M8: 4,944,658 km (0.118 R)
• M9: 5,998,127 km (0.046 R)
• M10: 7,464,784 km (0.066 R)
• M11: 8,152,486 km (0.097 R)
• M12: 8,645,111 km (0.093 R)
• M13: 9,157,634 km (0.055 R)
• M14: 9,799,259 km (0.04 R)
• M15: 10,662,439 km (0.085 R)
• M16: 12,114,436 km (0.057 R)
• M17: 12,497,107 km (0.092 R)
• M18: 13,602,934 km (0.094 R)
• M19: 14,391,315 km (0.066 R)
• M20: 14,820,811 km (0.095 R)
• M21: 15,705,682 km (0.08 R)
• M22: 17,151,545 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553

Radius: 9.5

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.72 AU - 5.38 AU

Year: 6699 Days

Day: 8.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,317,093 km

• M1: 118,332 km (0.107 R)
• M2: 1,364,333 km (0.077 R)
• M3: 1,815,221 km (0.069 R)
• M4: 2,363,646 km (0.045 R)
• M5: 2,806,755 km (0.119 R)
• M6: 3,262,879 km (0.105 R)
• M7: 4,451,883 km (0.065 R)
• M8: 6,002,914 km (0.117 R)
• M9: 6,762,422 km (0.072 R)
• M10: 7,327,603 km (0.112 R)
• M11: 7,809,607 km (0.116 R)
• M12: 11,550,003 km (0.069 R)
• M13: 14,484,365 km (0.117 R)
• M14: 15,304,012 km (0.06 R)
• M15: 19,519,081 km (0.103 R)
• M16: 20,591,399 km (0.107 R)
• M17: 30,719,624 km (0.104 R)
• M18: 33,461,304 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 10.1

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.7 AU - 5.42 AU

Year: 6721 Days

Day: 6.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,317,093 km

• M1: 125,662 km (0.091 R)
• M2: 598,391 km (0.045 R)
• M3: 1,010,683 km (0.083 R)
• M4: 1,337,255 km (0.057 R)
• M5: 1,721,423 km (0.081 R)
• M6: 2,678,699 km (0.107 R)
• M7: 3,081,267 km (0.107 R)
• M8: 3,570,452 km (0.1 R)
• M9: 3,908,244 km (0.099 R)
• M10: 4,455,324 km (0.096 R)
• M11: 5,293,969 km (0.116 R)
• M12: 6,690,765 km (0.079 R)
• M13: 8,030,713 km (0.103 R)
• M14: 10,148,420 km (0.04 R)
• M15: 10,780,621 km (0.097 R)
• M16: 11,963,491 km (0.092 R)
• M17: 12,394,632 km (0.098 R)
• M18: 13,692,095 km (0.053 R)
• M19: 15,265,266 km (0.097 R)
• M20: 16,160,609 km (0.109 R)
• M21: 17,294,411 km (0.091 R)
• M22: 19,794,491 km (0.056 R)
• M23: 20,781,538 km (0.082 R)
• M24: 21,405,062 km (0.081 R)
• M25: 23,267,406 km (0.118 R)
• M26: 25,766,438 km (0.088 R)
• M27: 32,943,994 km (0.11 R)
• M28: 33,685,102 km (0.107 R)
• M29: 35,974,847 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.1

Radius: 5.6

Gravity: 13.43 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5 AU - 7.04 AU

Year: 10195 Days

Day: 18 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,317,093 km

• M1: 69,713 km (0.117 R)
• M2: 283,039 km (0.092 R)
• M3: 558,150 km (0.115 R)
• M4: 1,647,073 km (0.117 R)
• M5: 2,458,491 km (0.088 R)
• M6: 2,648,630 km (0.057 R)
• M7: 3,726,184 km (0.117 R)
• M8: 4,918,628 km (0.082 R)
• M9: 6,345,792 km (0.103 R)
• M10: 6,595,920 km (0.114 R)
• M11: 7,077,774 km (0.099 R)
• M12: 7,346,751 km (0.118 R)
• M13: 13,668,458 km (0.081 R)
• M14: 16,301,979 km (0.115 R)
• M15: 19,255,191 km (0.099 R)
• M16: 28,349,395 km (0.118 R)
• M17: 34,632,057 km (0.073 R)
• M18: 36,194,457 km (0.104 R)
• M19: 36,421,397 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.6

Radius: 3.5

Gravity: 16.95 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.46 AU - 8.28 AU

Year: 13811 Days

Day: 22.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,317,093 km

• M1: 462,407 km (0.048 R)
• M2: 659,278 km (0.106 R)
• M3: 1,197,531 km (0.03 R)
• M4: 1,843,046 km (0.093 R)
• M5: 3,170,577 km (0.073 R)
• M6: 3,326,608 km (0.103 R)
• M7: 5,428,308 km (0.099 R)
• M8: 6,117,057 km (0.11 R)
• M9: 8,235,213 km (0.051 R)
• M10: 10,016,774 km (0.112 R)
• M11: 11,720,096 km (0.06 R)
• M12: 14,561,558 km (0.089 R)
• M13: 17,140,774 km (0.091 R)
• M14: 25,768,532 km (0.11 R)
• M15: 32,333,037 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.9

Radius: 3.4

Gravity: 50.68 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.69 AU - 8.83 AU

Year: 14921 Days

Day: 23.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 33,317,093 km

• M1: 42,935 km (0.104 R)
• M2: 155,432 km (0.066 R)
• M3: 290,070 km (0.041 R)
• M4: 430,543 km (0.096 R)
• M5: 539,001 km (0.098 R)
• M6: 936,931 km (0.119 R)
• M7: 1,475,334 km (0.083 R)
• M8: 1,811,032 km (0.117 R)
• M9: 2,522,968 km (0.072 R)
• M10: 2,929,276 km (0.105 R)
• M11: 3,928,141 km (0.094 R)
• M12: 5,896,849 km (0.1 R)
• M13: 7,069,995 km (0.105 R)
• M14: 7,463,587 km (0.116 R)
• M15: 7,871,541 km (0.09 R)
• M16: 8,633,443 km (0.111 R)
• M17: 9,287,485 km (0.1 R)
• M18: 9,600,294 km (0.114 R)
• M19: 9,706,059 km (0.049 R)
• M20: 10,921,991 km (0.102 R)
• M21: 11,867,449 km (0.1 R)
• M22: 14,746,760 km (0.07 R)
• M23: 19,716,102 km (0.088 R)
• M24: 21,471,782 km (0.086 R)
• M25: 22,294,720 km (0.092 R)
• M26: 24,989,128 km (0.103 R)
• M27: 26,414,346 km (0.039 R)
• M28: 28,871,940 km (0.116 R)
• M29: 33,017,447 km (0.093 R)
• M30: 37,411,436 km (0.092 R)
• M31: 38,601,187 km (0.091 R)
• M32: 39,408,268 km (0.084 R)
• M33: 41,474,813 km (0.109 R)
• M34: 42,892,103 km (0.07 R)
• M35: 44,929,925 km (0.088 R)
• M36: 45,822,576 km (0.078 R)
• M37: 47,489,994 km (0.113 R)
• M38: 48,261,021 km (0.039 R)
• M39: 50,464,448 km (0.099 R)
• M40: 53,893,680 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.4

Radius: 5.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.07 AU - 10.15 AU

Year: 20563 Days

Day: 25 Hours

Environment

Temp: -245 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,317,093 km

• M1: 65,973 km (0.09 R)
• M2: 449,691 km (0.111 R)
• M3: 1,503,758 km (0.087 R)
• M4: 3,344,859 km (0.039 R)
• M5: 3,697,461 km (0.075 R)
• M6: 6,063,202 km (0.074 R)
• M7: 9,324,585 km (0.069 R)
• M8: 10,246,856 km (0.112 R)
• M9: 12,169,188 km (0.078 R)
• M10: 12,895,187 km (0.075 R)
• M11: 13,107,765 km (0.047 R)
• M12: 13,759,713 km (0.108 R)
• M13: 21,068,317 km (0.077 R)
• M14: 21,886,468 km (0.075 R)
• M15: 23,192,307 km (0.111 R)
• M16: 24,958,161 km (0.034 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 17,821 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit